Western Black Widow Spider
Common Name: Western Black Widow
Scientific Name: Lactrodectus hesperus
Order: Araneae
Range: Western portion of North America
Diet: Small invertebrates
Reader Rail Information: A medically important (treatment should be sought) species easily identified by a red, yellow, or sometimes white hourglass on the bottom of their abdomen. Contrary to common belief, the females do not always cannibalize males like their other widow cousins.
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